Converter-lining.



F. E. HINNERS.

CONVERTER LNING.

APPLICATION r1Ln-ocT.|s. 1917.

Patented July 16, V1918.

fvverco 1'/ FRANK E. Humans, or

' Specicationo i ToV all twhom 'it may concern:

Be' it known" that I, FRANK EQHINNERS,

" a citizen of the United States` residing-at in themanner hereinafter'described -and C Heretofore it has been customary to Milwaukee, in thevcounty of `Milwaukee 'andStateof Wisconsin, have invented certain newand useful. Improvements in Converter-Linings, of which the fol1owing isa .s pecicat1on`, reference being had to the accompanying drawing,forming a part thereof.

I This 4invention relates to converter linings and the object of theinvention is to improvef the construction of converter linings claimed.

line converters with a rammed-in lining ora e built-in brick lining butsuch constructions are disadvantageous. Ittakes considerable 'time4 toram in or build in a lining and such linings must be thoroughly dried inplace before the converter can beuscd. The drying takes conslderable'time so such constructions necessitate the converter being out ofuse-for a comparativelylong time.'

It is diiiicult to. drythe 'lining thorou hly and uniformly and withoutcracking. li oreover the lining chips oli' and makes cold heats andthere 1s considerable expense when a converter loses a heat.

` eoNvERTEe-LINING.

- UNITED vsrnrns PATENT OFFICE. V

MILWAUKEE; Wisconsin,

through holes in .these flangesl tomemovably;

. secure the top 1 to the body 2i fas-l tenmg members are'illustrated'as boltspro-z .vided with. heads and slots. Wed es- 6,0

1- to the body 2. The reference num'ra'l designates the wird box-fromwhich-t` 1enters the" converter throu twyer' holes I prefer to form'thelinm for thfeibody- ,615*l of the4 converter in secti'ons o agenealfringform. g By 'forming the lining in sections,"n the sections can be moreleasily formedand']- handled 'andcan be more' easily and more tratedbythe drawings, three sections 10,.'

1 1 and l2-.farefshown. The; lining,'or sec tions, madel enough smallerthanthe body a 2 so that a packing' 13`can-berammed be-f' tiv'eenthelining andthe body 2. '15l The lowermost.section1()l is illustratedas provided with't'wyer'holes 14 and a'shaving" its lower part-shapedto' -fit against the inclined part of the bottom 3.` The bott0m' lining15"mayl be composed .of sand-i or 8O ganister filled in thebottom of.the converterl before .the"1ining .of the body isset .in and the toplining 16 may' be composedof brick or ganis'ter. The 'sections10,. 11and 12 of the lining may vbeformed from brick or-185 other suitablematerial. A1 referto forni Accordinfr to my invention the lining isflthem from ganister, grou'n quartz, silica vformed and5 dried outsideofthe converter with the result that a betterlining is se cured and theconverter can be used practically continuously. llhen afnew lining is ruired, itis only necessary to dump the part hereof, which drawingsillustrate anembodiment of this invention, and on wh1ch drawings thesame reference characters are used to designate'the sameparts whereverthey may appear in each of the severalviews, Figure lis a verticalsection of a Referring-to the side-blown converter; F ig. 2 is a planview of a section'of lining containlng't'lie twyer holes; and.-Fig. 3isan elevation ofa part ofthe converter.

drawings` the shell f the converter is illustrated as vcomposed of aremovable top '1, a cylindrical vbody .2l

l and a bottom 3. The top 1 is provided-with .a flange 4 and the body 2'is-prbvided with a flange 5 Fastening members '6 pass,

lclayY mixed upwith water andalittle molasses. The sections are rammed,u in molds and may bereinforced by ro s.-17 90 and hooks 1 8. or inanysuitablemanner. At the topsof thesections cavities areleft to exposehooks so' that 'thefsections can be readily handled by slings. After'-the'sec- Ationsliave been formed, they are thoroughly dried 1n acore-oven or in any suitable manner. and after they are vdried they areready vfor use at anyT time. The bottom lining 15 and the top lining 16may be formed'inthe same manner. i

lVhen the lining isfto .he assembled -with. .the-shell of the converter,the bottom lining 1 5 and the top lining 16 are placed. The lowermostsection'lO is placed in position, the cavities 1 9fare' filled up withwet clay or :mister and wet clay or ganisteris rammed etween the liningand4 thebody2'to; form the packing 13. Twyer holes arexformed throughthe packing .13- inline withV the," twyer holes 9 and '14.2 -Thetwyerholes-2U through the packing 13 may be formed any suitablenianner.'The cover-ofthe f box 8 is removable4 and the twyer Vl'ioles arereached. A plug can y then'be placed in a twyer'hole 9 and extend- -io ytop of section I close' the joints 'upLA and the packiii ing into atwyer hole 14; and the packing 13 ing provided for each twyer hole,and-the plugs' can afterward be withdrawn. The 10 is then smeared withwet clay' or gnnister, the sectiony 11 is then placed in .position and'the cavities 19 filled 13 rammed around it. The section 12 is p acediinthe like manner and the top istlien secured to the converter. A. smearof Wetclay or ganister is used to between4 the section 12- and.- the tolninglfaiid between the section 10 :ind t e bottom lining 15'. As soonas the lining is in place the converter is rendy foruse as the liningisl already linked and dry and the smersin 'the joints do not conto-inenough Water to do any liiir'in and. dry quickly. The packing 13 'z indthe filling in' the cavities 19 will dry n nd the steiin'i or ivaportherefrom .will escupe through the lioles'in the body 2,

The two greata over the prior linings are the-,great lessening of thetime t'liiit'the converter niiist-beoiit of commission while beingrelined` iii'id' the longer life of a lining which is molded und bakedor dried outside of theeonverter. In using the old linings I -hzive'beenaible. to obtain from seven to twenty heats -froii'i :i single lining.'With my ne\v,gli iiing I haive obtained an average of about'thirtytivoheats 'from :i single lining :ind have; lnidgjforty heats withoutrelining. The converter illustrated 4by thc'drziwings is a. ty e ofconverter used in n steel foundry steel for steelcostings, liiitinyinsuchuse nor tothe form of side-blown converter illusspecific It willbe understood, 'of course,

fibel-'can be driven 1. 4 A converterliiiing formed that'ln nfiln theconverter forinzikingsteel, iron is melid-nnd the molten metal isintroduced into the converter to be purified and converted into steel inthe Ordinary or any preferred .mennen My invention reliltBS to liningthe converters and not to the specific ccntructon oil use of converters.

AWhat is claimed ie:

ne i1; unit to with :i spzice the shape of thc converter shell thereinadapted to receive molten inetfil und` baked or dried outside' of tlicshell of the converter.

2. A converter lininr formed of sections euch. of the sections boingformed 'iis :iunitto the shape of the converter shell with :i splicetherein` ndnptcd .to receive molten metal and baked oi' dried outside olthe vshell of the converter.

formed iii ring'- 3. A converter lining y been foi-ined und likesections -y whi 'li hiive linked ordred outside ot' the shell of theconverter :indwvhieh .nre assembled in the shell of .the converter withn wet pecking between the sections und the shell of' the converter sothat inolleii 'niet'nl cnn be poured l into the converternotwithstanding the. presdvaintziges.E of niy lining` y i ence of thewet packing.

4. In :i converter, the combination with xi converter shell 'providedwith holesy ol n converter lining foi'nied lo shape :ind linked or driedoutside of thi` shell of the converter` :ind :i packing'ii'iterposed,between the shell :ind the lining.

,'lhe iiiethod of liniii;`r converterswhich consists in forming:- theIiningsto shape :ind linking oi: drying llieni outside ofthe ron- Vtl'tlribelle, inserting the linings in the Slicll with n wet packing between:i vlining und n shell, nnd permitting the' wet packing' to dry from thelient of the charge of-.nioltcn inenil in thc converter.

ln wlnonri whereof l libreto :illx my sig- *.1 y

iiiil'iii'e.

remit ii. nixxiins.

